In a large pot, put chicken in water to cover along with green onion and ginger; gently poach
Drain; cool and shred chicken
In a large bowl, toss together chicken, cabbage, mint leaves and Chinese parsley
Set aside
With a mortar and pestle, crush together chili, garlic, peeled lime sections and sugar
Scrape this into a jar and add vinegar and water, stirring
Add nuoc nam fish sauce and shake to emulsify
Dress chicken mixture with a tablespoon or more of the dressing
Store leftover dressing in the refrigerator up to two or three months.